honestly this is normal in the crypto . this will always happened you cant avoid
get scam,hacked, exit scam it always happens every years. more higher the price BTC is more risky you hold.
Almost everyone of us encountered this kind of incident, although at some point we did our part to do research and all the things we did to check if a certain project is legit, still there's some point wherein owners just ran away, wherein there are scammers our there who will scam exchange. Scammers will really do things for their own interest, and we can't please them to stop.